The 3SFB-0R52R0-CD-SFF from Quantic PMI (Planar Monolithics) is a Switched Filter Bank with Frequency 500 to 2000 MHz, Band 1 500 to 800 MHz, Band 2 800 to 1300 MHz, Band 3 1300 to 2000 MHz, Insertion Loss 4 to 5 dB. Tags: Module with Connectors. More details for 3SFB-0R52R0-CD-SFF can be seen below.